Head band



FIG. 1 is a Top Left perspective view of the design of the instant invention;

FIG. 2 is a section view, through line 2—2 of FIG. 1; and,

FIG. 3 is an exploded fragmentary view.

The broken lines in the drawing are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a head band, as shown and described. 